@article{AL_2013_52_2_a1,
     author = {A. L. Kanunnikov},
     title = {An application of the method of orthogonal completeness in graded ring theory},
     journal = {Algebra i logika},
     pages = {145--154},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2013_52_2_a1/}
}